Warranty and after-sales

Yihua Intelligent — engineering every project with care, building satisfied customer quality.

Handover is only the beginning. Warranty on both equipment and workmanship, with a named person following every issue — no passing the buck, no going quiet.

After-sales & Warranty

How the warranty works, and who to contact

Setting the rules out front is far more useful than arguing about them afterwards.

What is covered

Inside the warranty period, faults caused by equipment quality or installation workmanship are investigated and resolved by us. Both equipment and workmanship are covered, and records of concealed works and commissioning are kept so later inspections can be traced.

How we respond

Phone and remote support first. For everyday faults, call and describe the symptom — most are resolved by remote debugging. Where a site visit is genuinely needed, the time and personnel are arranged as agreed in the contract and progress is reported throughout.

Renewing maintenance

Once the warranty expires, an annual maintenance agreement can be signed, covering scheduled inspection, priority response and spare part replacement. This keeps the system running steadily over the long term and stops small problems becoming large faults.

In / Out of Warranty

Inside and outside the warranty period

The two situations follow different paths. Once this is clear, you will not have to keep asking.

Inside the warranty period

Faults caused by equipment quality or installation workmanship are handled by us, with the scope and duration as set out in the project contract. Please give us the symptom, when it started and which area is affected, so we can tell whether it is a device, a circuit or a configuration issue. Note: deliberate damage, circuits altered during a later fit-out, and changes beyond the design load are normally outside the warranty. We will say so before deciding how to proceed.

Outside the warranty period

You can sign an annual maintenance agreement, or book visits one at a time. Charges are settled against the actual work done and the spare parts replaced — quoted first, carried out afterwards, with no mid-job price rises. Note: for a smart system running for years, annual maintenance is worth considering, because regular inspection often finds the warning signs before a fault happens, at a lower cost than a single emergency repair.

Annual Maintenance

What annual maintenance includes

Not paying for reassurance, but bringing the state of the system into regular management.

Scheduled inspection

Panels, actuators, gateways and circuit condition are checked, and operating behaviour recorded.

Priority response

Faults from maintenance clients are handled first, before they begin to affect use.

Spare part replacement

Common wear parts and failed modules are replaced, cutting waiting time and downtime.

Remote support

Remote debugging and parameter tuning resolve small problems without a site visit.

Tell us about your project

Send us the space, the function and the outcome you need. We reply with an approach, a system outline and a clear quotation.